EP 3929262 A1 20211229 - ACRYLIC PRESSURE-SENSITIVE ADHESIVE COMPOSITION, PRESSURE-SENSITIVE ADHESIVE TAPE, AND OPTICAL DEVICE INCLUDING OPTICAL SHEET FIXED BY SAID PRESSURE-SENSITIVE ADHESIVE TAPE
Title (en)
ACRYLIC PRESSURE-SENSITIVE ADHESIVE COMPOSITION, PRESSURE-SENSITIVE ADHESIVE TAPE, AND OPTICAL DEVICE INCLUDING OPTICAL SHEET FIXED BY SAID PRESSURE-SENSITIVE ADHESIVE TAPE
Title (de)
ACRYLHAFTKLEBSTOFFZUSAMMENSETZUNG, HAFTKLEBEBAND UND OPTISCHE VORRICHTUNG MIT OPTISCHER FOLIE, DIE DURCH BESAGTES HAFTKLEBEBAND FIXIERT IST
Title (fr)
COMPOSITION ADHÉSIVE ACRYLIQUE SENSIBLE À LA PRESSION, RUBAN ADHÉSIF SENSIBLE À LA PRESSION, ET DISPOSITIF OPTIQUE CONTENANT UNE FEUILLE OPTIQUE FIXÉE PAR LEDIT RUBAN ADHÉSIF SENSIBLE À LA PRESSION
Publication
Application
Priority
JP 2019006170 W 20190219
Abstract (en)
An acrylic adhesive composition comprising an acrylic copolymer (A), which comprises an alkyl (meth)acrylate monomer (a1) having a linear and/or branched alkyl group having 6 to 10 carbon atoms and a nitrogen-containing monomer (a2), as the components of the polymer chains of the acrylic copolymer (A), wherein the acrylic adhesive composition has an amount of change within 0.5 of the value of the loss tangent (tan δ) in the range of 20°C to 100°C, and an adhesive tape having at least one acrylic adhesive layer composed of this acrylic adhesive composition are disclosed.
IPC 8 full level
C09J 133/06 (2006.01); C09J 7/38 (2018.01); G02F 1/1333 (2006.01)
CPC (source: EP KR US)
C09J 7/255 (2018.01 - KR US); C09J 7/38 (2018.01 - KR); C09J 7/385 (2018.01 - EP US); C09J 133/06 (2013.01 - KR); C09J 133/066 (2013.01 - EP); C09J 133/14 (2013.01 - EP); G02F 1/1333 (2013.01 - KR); C09J 2203/318 (2013.01 - EP KR); C09J 2301/1242 (2020.08 - EP); C09J 2301/312 (2020.08 - KR); C09J 2433/00 (2013.01 - US); C09J 2467/006 (2013.01 - EP US); G02F 2202/28 (2013.01 - EP)
C-Set (source: EP)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 3929262 A1 20211229; EP 3929262 A4 20221019; CN 113439114 A 20210924; JP 7212755 B2 20230125; JP WO2020170342 A1 20211223; KR 102683875 B1 20240711; KR 20210129166 A 20211027; TW 202041639 A 20201116; TW I845614 B 20240621; US 2022186085 A1 20220616; WO 2020170342 A1 20200827
DOCDB simple family (application)
EP 19916388 A 20190219; CN 201980092451 A 20190219; JP 2019006170 W 20190219; JP 2021501187 A 20190219; KR 20217030316 A 20190219; TW 109105258 A 20200219; US 201917432042 A 20190219